Table 2.

Stimulus condition used in the study

Stimulus conditions	Combinations
Vlo	V
Vhi
Thi	T
Tlo
VTc_hi	VTc
VTc_lo
VTi_Tlo	VTi
VTi_Vlo

The participants were presented with eight basic different stimulus conditions (see column 1), which were further reduced to a total of four experimental conditions (column 2). Vlo, Visual low; Vhi, visual high; Thi, tactile high; Tlo, tactile low; VTC_hi, visual high and tactile high; VTc_lo, visual low and tactile low; VTi_Tlo, tactile low and visual high; VTi_Vlo, visual low and tactile high.